Downgrade Bundler 1.17.x from 2.0.0.

  We have the platform issue on heroku:
    * https://gist.github.com/schneems/26452540f6e2bbbcf2ea144f45f6b305
    * https://github.com/heroku/heroku-buildpack-ruby/issues/833

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66323 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

16 files changed, 94 insertions, 86 deletions

diff --git a/spec/bundler/commands/binstubs_spec.rb b/spec/bundler/commands/binstubs_spec.rb
index 7f2e81c099..6a705d3423 100644
--- a/spec/bundler/commands/binstubs_spec.rb
+++ b/spec/bundler/commands/binstubs_spec.rb
@@ -134,33 +134,6 @@ RSpec.describe "bundle binstubs <gem>" do
         if ENV["BUNDLER_SPEC_SUB_VERSION"]
           let(:system_bundler_version) { Bundler::VERSION }
         end
-
-        before do
-          gemfile <<-G
-            source "file:///Users/colby/Projects/bundler/tmp/gems/remote2"
-            gem "rack"
-            gem "prints_loaded_gems"
-          G
-
-          lockfile <<-G
-          GEM
-            remote: file:///Users/colby/Projects/bundler/tmp/gems/remote2/
-            specs:
-              prints_loaded_gems (1.0)
-              rack (1.2)
-
-          PLATFORMS
-            ruby
-
-          DEPENDENCIES
-            prints_loaded_gems
-            rack
-
-          BUNDLED WITH
-             #{system_bundler_version}
-          G
-        end
-
         it "runs bundler" do
           sys_exec! "#{bundled_app("bin/bundle")} install"
           expect(out).to eq %(system bundler #{system_bundler_version}\n["install"])
@@ -340,7 +313,7 @@ RSpec.describe "bundle binstubs <gem>" do
       expect(bundled_app("exec/rackup")).to exist
     end
 
-    it "setting is saved for bundle install", :bundler => "< 3" do
+    it "setting is saved for bundle install", :bundler => "< 2" do
       install_gemfile <<-G
         source "file://#{gem_repo1}"
         gem "rack"
diff --git a/spec/bundler/commands/check_spec.rb b/spec/bundler/commands/check_spec.rb
index 890f4b1356..f2af446fbf 100644
--- a/spec/bundler/commands/check_spec.rb
+++ b/spec/bundler/commands/check_spec.rb
@@ -92,7 +92,7 @@ RSpec.describe "bundle check" do
     expect(out).to include("Bundler can't satisfy your Gemfile's dependencies.")
   end
 
-  it "remembers --without option from install", :bundler => "< 3" do
+  it "remembers --without option from install", :bundler => "< 2" do
     gemfile <<-G
       source "file://#{gem_repo1}"
       group :foo do
@@ -238,7 +238,7 @@ RSpec.describe "bundle check" do
     expect(last_command).to be_failure
   end
 
-  context "--path", :bundler => "< 3" do
+  context "--path", :bundler => "< 2" do
     before do
       gemfile <<-G
         source "file://#{gem_repo1}"
@@ -254,7 +254,7 @@ RSpec.describe "bundle check" do
       expect(out).to include("The Gemfile's dependencies are satisfied")
     end
 
-    it "should write to .bundle/config", :bundler => "< 3" do
+    it "should write to .bundle/config", :bundler => "< 2" do
       bundle "check --path vendor/bundle"
       bundle! "check"
     end
diff --git a/spec/bundler/commands/clean_spec.rb b/spec/bundler/commands/clean_spec.rb
index 158d58d67c..37cbeeb4e7 100644
--- a/spec/bundler/commands/clean_spec.rb
+++ b/spec/bundler/commands/clean_spec.rb
@@ -142,7 +142,7 @@ RSpec.describe "bundle clean" do
     bundle :clean
 
     digest = Digest(:SHA1).hexdigest(git_path.to_s)
-    cache_path = Bundler.bundler_major_version < 3 ? vendored_gems("cache/bundler/git/foo-1.0-#{digest}") : home(".bundle/cache/git/foo-1.0-#{digest}")
+    cache_path = Bundler::VERSION.start_with?("1.") ? vendored_gems("cache/bundler/git/foo-1.0-#{digest}") : home(".bundle/cache/git/foo-1.0-#{digest}")
     expect(cache_path).to exist
   end
 
@@ -343,7 +343,7 @@ RSpec.describe "bundle clean" do
     expect(out).to include("rack (1.0.0)").and include("thin (1.0)")
   end
 
-  it "--clean should override the bundle setting on install", :bundler => "< 3" do
+  it "--clean should override the bundle setting on install", :bundler => "< 2" do
     gemfile <<-G
       source "file://#{gem_repo1}"
 
@@ -363,7 +363,7 @@ RSpec.describe "bundle clean" do
     should_not_have_gems "thin-1.0"
   end
 
-  it "--clean should override the bundle setting on update", :bundler => "< 3" do
+  it "--clean should override the bundle setting on update", :bundler => "< 2" do
     build_repo2
 
     gemfile <<-G
@@ -383,7 +383,7 @@ RSpec.describe "bundle clean" do
     should_not_have_gems "foo-1.0"
   end
 
-  it "automatically cleans when path has not been set", :bundler => "3" do
+  it "automatically cleans when path has not been set", :bundler => "2" do
     build_repo2
 
     install_gemfile! <<-G
diff --git a/spec/bundler/commands/console_spec.rb b/spec/bundler/commands/console_spec.rb
index 05b0a6c1e4..9bf66e8f5b 100644
--- a/spec/bundler/commands/console_spec.rb
+++ b/spec/bundler/commands/console_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-RSpec.describe "bundle console", :bundler => "< 3" do
+RSpec.describe "bundle console", :bundler => "< 2" do
   before :each do
     install_gemfile <<-G
       source "file://#{gem_repo1}"
diff --git a/spec/bundler/commands/exec_spec.rb b/spec/bundler/commands/exec_spec.rb
index 76841dcff6..6835305d55 100644
--- a/spec/bundler/commands/exec_spec.rb
+++ b/spec/bundler/commands/exec_spec.rb
@@ -570,7 +570,22 @@ RSpec.describe "bundle exec" do
       it_behaves_like "it runs"
     end
 
-    context "the executable is empty" do
+    context "the executable is empty", :bundler => "< 2" do
+      let(:executable) { "" }
+
+      let(:exit_code) { 0 }
+      let(:expected) { "#{path} is empty" }
+      let(:expected_err) { "" }
+      if LessThanProc.with(RUBY_VERSION).call("1.9")
+        # Kernel#exec in ruby < 1.9 will raise Errno::ENOEXEC if the command content is empty,
+        # even if the command is set as an executable.
+        pending "Kernel#exec is different"
+      else
+        it_behaves_like "it runs"
+      end
+    end
+
+    context "the executable is empty", :bundler => "2" do
       let(:executable) { "" }
 
       let(:exit_code) { 0 }
@@ -579,7 +594,18 @@ RSpec.describe "bundle exec" do
       it_behaves_like "it runs"
     end
 
-    context "the executable raises" do
+    context "the executable raises", :bundler => "< 2" do
+      let(:executable) { super() << "\nraise 'ERROR'" }
+      let(:exit_code) { 1 }
+      let(:expected) { super() << "\nbundler: failed to load command: #{path} (#{path})" }
+      let(:expected_err) do
+        "RuntimeError: ERROR\n  #{path}:10" +
+          (Bundler.current_ruby.ruby_18? ? "" : ":in `<top (required)>'")
+      end
+      it_behaves_like "it runs"
+    end
+
+    context "the executable raises", :bundler => "2" do
       let(:executable) { super() << "\nraise 'ERROR'" }
       let(:exit_code) { 1 }
       let(:expected_err) do
@@ -589,7 +615,16 @@ RSpec.describe "bundle exec" do
       it_behaves_like "it runs"
     end
 
-    context "the executable raises an error without a backtrace" do
+    context "the executable raises an error without a backtrace", :bundler => "< 2" do
+      let(:executable) { super() << "\nclass Err < Exception\ndef backtrace; end;\nend\nraise Err" }
+      let(:exit_code) { 1 }
+      let(:expected) { super() << "\nbundler: failed to load command: #{path} (#{path})" }
+      let(:expected_err) { "Err: Err" }
+
+      it_behaves_like "it runs"
+    end
+
+    context "the executable raises an error without a backtrace", :bundler => "2" do
       let(:executable) { super() << "\nclass Err < Exception\ndef backtrace; end;\nend\nraise Err" }
       let(:exit_code) { 1 }
       let(:expected_err) { "bundler: failed to load command: #{path} (#{path})\nErr: Err" }
@@ -603,7 +638,7 @@ RSpec.describe "bundle exec" do
       it_behaves_like "it runs"
     end
 
-    context "when Bundler.setup fails", :bundler => "< 3" do
+    context "when Bundler.setup fails", :bundler => "< 2" do
       before do
         gemfile <<-G
           gem 'rack', '2'
@@ -620,7 +655,7 @@ RSpec.describe "bundle exec" do
       it_behaves_like "it runs"
     end
 
-    context "when Bundler.setup fails", :bundler => "3" do
+    context "when Bundler.setup fails", :bundler => "2" do
       before do
         gemfile <<-G
           gem 'rack', '2'
diff --git a/spec/bundler/commands/init_spec.rb b/spec/bundler/commands/init_spec.rb
index 8a8f0effa0..9b5bd95814 100644
--- a/spec/bundler/commands/init_spec.rb
+++ b/spec/bundler/commands/init_spec.rb
@@ -1,19 +1,19 @@
 # frozen_string_literal: true
 
 RSpec.describe "bundle init" do
-  it "generates a Gemfile", :bundler => "< 3" do
+  it "generates a Gemfile", :bundler => "< 2" do
     bundle! :init
     expect(out).to include("Writing new Gemfile")
     expect(bundled_app("Gemfile")).to be_file
   end
 
-  it "generates a gems.rb", :bundler => "3" do
+  it "generates a gems.rb", :bundler => "2" do
     bundle! :init
     expect(out).to include("Writing new gems.rb")
     expect(bundled_app("gems.rb")).to be_file
   end
 
-  context "when a Gemfile already exists", :bundler => "< 3" do
+  context "when a Gemfile already exists", :bundler => "< 2" do
     before do
       create_file "Gemfile", <<-G
         gem "rails"
@@ -30,7 +30,7 @@ RSpec.describe "bundle init" do
     end
   end
 
-  context "when gems.rb already exists", :bundler => ">= 3" do
+  context "when gems.rb already exists", :bundler => ">= 2" do
     before do
       create_file("gems.rb", <<-G)
         gem "rails"
@@ -47,7 +47,7 @@ RSpec.describe "bundle init" do
     end
   end
 
-  context "when a Gemfile exists in a parent directory", :bundler => "< 3" do
+  context "when a Gemfile exists in a parent directory", :bundler => "< 2" do
     let(:subdir) { "child_dir" }
 
     it "lets users generate a Gemfile in a child directory" do
@@ -82,7 +82,7 @@ RSpec.describe "bundle init" do
     end
   end
 
-  context "when a gems.rb file exists in a parent directory", :bundler => ">= 3" do
+  context "when a gems.rb file exists in a parent directory", :bundler => ">= 2" do
     let(:subdir) { "child_dir" }
 
     it "lets users generate a Gemfile in a child directory" do
@@ -99,7 +99,7 @@ RSpec.describe "bundle init" do
     end
   end
 
-  context "given --gemspec option", :bundler => "< 3" do
+  context "given --gemspec option", :bundler => "< 2" do
     let(:spec_file) { tmp.join("test.gemspec") }
 
     it "should generate from an existing gemspec" do
@@ -115,7 +115,7 @@ RSpec.describe "bundle init" do
 
       bundle :init, :gemspec => spec_file
 
-      gemfile = if Bundler::VERSION[0, 2].to_i < 3
+      gemfile = if Bundler::VERSION[0, 2] == "1."
         bundled_app("Gemfile").read
       else
         bundled_app("gems.rb").read
@@ -146,7 +146,7 @@ RSpec.describe "bundle init" do
   context "when init_gems_rb setting is enabled" do
     before { bundle "config init_gems_rb true" }
 
-    context "given --gemspec option", :bundler => "< 3" do
+    context "given --gemspec option", :bundler => "< 2" do
       let(:spec_file) { tmp.join("test.gemspec") }
 
       before do
diff --git a/spec/bundler/commands/inject_spec.rb b/spec/bundler/commands/inject_spec.rb
index d091e01380..b7ffc89a34 100644
--- a/spec/bundler/commands/inject_spec.rb
+++ b/spec/bundler/commands/inject_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-RSpec.describe "bundle inject", :bundler => "< 3" do
+RSpec.describe "bundle inject", :bundler => "< 2" do
   before :each do
     gemfile <<-G
       source "file://#{gem_repo1}"
@@ -79,7 +79,7 @@ Usage: "bundle inject GEM VERSION"
   context "when frozen" do
     before do
       bundle "install"
-      if Bundler.feature_flag.bundler_3_mode?
+      if Bundler.feature_flag.bundler_2_mode?
         bundle! "config --local deployment true"
       else
         bundle! "config --local frozen true"
diff --git a/spec/bundler/commands/install_spec.rb b/spec/bundler/commands/install_spec.rb
index 326f98161e..394f672fef 100644
--- a/spec/bundler/commands/install_spec.rb
+++ b/spec/bundler/commands/install_spec.rb
@@ -29,7 +29,7 @@ RSpec.describe "bundle install with gem sources" do
       expect(bundled_app("Gemfile.lock")).to exist
     end
 
-    it "does not create ./.bundle by default", :bundler => "< 3" do
+    it "does not create ./.bundle by default", :bundler => "< 2" do
       gemfile <<-G
         source "file://#{gem_repo1}"
         gem "rack"
@@ -275,14 +275,14 @@ RSpec.describe "bundle install with gem sources" do
         expect(the_bundle).to include_gems "rack 1.0"
       end
 
-      it "allows running bundle install --system without deleting foo", :bundler => "< 3" do
+      it "allows running bundle install --system without deleting foo", :bundler => "< 2" do
         bundle "install", forgotten_command_line_options(:path => "vendor")
         bundle "install", forgotten_command_line_options(:system => true)
         FileUtils.rm_rf(bundled_app("vendor"))
         expect(the_bundle).to include_gems "rack 1.0"
       end
 
-      it "allows running bundle install --system after deleting foo", :bundler => "< 3" do
+      it "allows running bundle install --system after deleting foo", :bundler => "< 2" do
         bundle "install", forgotten_command_line_options(:path => "vendor")
         FileUtils.rm_rf(bundled_app("vendor"))
         bundle "install", forgotten_command_line_options(:system => true)
@@ -290,7 +290,7 @@ RSpec.describe "bundle install with gem sources" do
       end
     end
 
-    it "finds gems in multiple sources", :bundler => "< 3" do
+    it "finds gems in multiple sources", :bundler => "< 2" do
       build_repo2
       update_repo2
 
diff --git a/spec/bundler/commands/list_spec.rb b/spec/bundler/commands/list_spec.rb
index ba4bb9b040..5305176c65 100644
--- a/spec/bundler/commands/list_spec.rb
+++ b/spec/bundler/commands/list_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-RSpec.describe "bundle list", :bundler => "3" do
+RSpec.describe "bundle list", :bundler => "2" do
   before do
     install_gemfile <<-G
       source "file://#{gem_repo1}"
diff --git a/spec/bundler/commands/outdated_spec.rb b/spec/bundler/commands/outdated_spec.rb
index c9d3ac1de4..fc1f1772e7 100644
--- a/spec/bundler/commands/outdated_spec.rb
+++ b/spec/bundler/commands/outdated_spec.rb
@@ -407,7 +407,7 @@ RSpec.describe "bundle outdated" do
     expect(out).to include("Installing foo 1.0")
   end
 
-  context "after bundle install --deployment", :bundler => "< 3" do
+  context "after bundle install --deployment", :bundler => "< 2" do
     before do
       install_gemfile <<-G, forgotten_command_line_options(:deployment => true)
         source "file://#{gem_repo2}"
diff --git a/spec/bundler/commands/package_spec.rb b/spec/bundler/commands/package_spec.rb
index a8426e6322..6351909bc7 100644
--- a/spec/bundler/commands/package_spec.rb
+++ b/spec/bundler/commands/package_spec.rb
@@ -141,7 +141,7 @@ RSpec.describe "bundle package" do
     end
   end
 
-  context "with --path", :bundler => "< 3" do
+  context "with --path", :bundler => "< 2" do
     it "sets root directory for gems" do
       gemfile <<-D
         source "file://#{gem_repo1}"
diff --git a/spec/bundler/commands/pristine_spec.rb b/spec/bundler/commands/pristine_spec.rb
index d8761bba26..0bfc37560a 100644
--- a/spec/bundler/commands/pristine_spec.rb
+++ b/spec/bundler/commands/pristine_spec.rb
@@ -49,7 +49,7 @@ RSpec.describe "bundle pristine", :ruby_repo do
       bundle! "pristine", :system_bundler => true
       bundle! "-v", :system_bundler => true
 
-      expected = if Bundler::VERSION < "3.0"
+      expected = if Bundler::VERSION < "2.0"
         "Bundler version"
       else
         Bundler::VERSION
diff --git a/spec/bundler/commands/show_spec.rb b/spec/bundler/commands/show_spec.rb
index a5c6beec1a..efbe4b13fb 100644
--- a/spec/bundler/commands/show_spec.rb
+++ b/spec/bundler/commands/show_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-RSpec.describe "bundle show", :bundler => "< 3", :ruby => ">= 2.0" do
+RSpec.describe "bundle show", :bundler => "< 2", :ruby => ">= 2.0" do
   context "with a standard Gemfile" do
     before :each do
       install_gemfile <<-G
@@ -36,7 +36,7 @@ RSpec.describe "bundle show", :bundler => "< 3", :ruby => ">= 2.0" do
       it "prints path if gem exists in bundle" do
         bundle "show rails"
         expect(out).to eq(
-          "[DEPRECATED FOR 3.0] use `bundle info rails` instead of `bundle show rails`\n" +
+          "[DEPRECATED FOR 2.0] use `bundle info rails` instead of `bundle show rails`\n" +
           default_bundle_path("gems", "rails-2.3.2").to_s
         )
       end
@@ -44,7 +44,7 @@ RSpec.describe "bundle show", :bundler => "< 3", :ruby => ">= 2.0" do
       it "prints the path to the running bundler" do
         bundle "show bundler"
         expect(out).to eq(
-          "[DEPRECATED FOR 3.0] use `bundle info bundler` instead of `bundle show bundler`\n" +
+          "[DEPRECATED FOR 2.0] use `bundle info bundler` instead of `bundle show bundler`\n" +
           root.to_s
         )
       end
@@ -52,7 +52,7 @@ RSpec.describe "bundle show", :bundler => "< 3", :ruby => ">= 2.0" do
       it "prints path if gem exists in bundle (with --paths option)" do
         bundle "show rails --paths"
         expect(out).to eq(
-          "[DEPRECATED FOR 3.0] use `bundle info rails --path` instead of `bundle show rails --paths`\n" +
+          "[DEPRECATED FOR 2.0] use `bundle info rails --path` instead of `bundle show rails --paths`\n" +
           default_bundle_path("gems", "rails-2.3.2").to_s
         )
       end
@@ -64,7 +64,7 @@ RSpec.describe "bundle show", :bundler => "< 3", :ruby => ">= 2.0" do
         expect(out).to include(default_bundle_path("gems", "rails-2.3.2").to_s)
 
         out_lines = out.split("\n")
-        expect(out_lines[0]).to eq("[DEPRECATED FOR 3.0] use `bundle list` instead of `bundle show --paths`")
+        expect(out_lines[0]).to eq("[DEPRECATED FOR 2.0] use `bundle list` instead of `bundle show --paths`")
 
         # Gem names are the last component of their path.
         gem_list = out_lines[1..-1].map {|p| p.split("/").last }
diff --git a/spec/bundler/commands/update_spec.rb b/spec/bundler/commands/update_spec.rb
index 1effba6526..6eb49d3acd 100644
--- a/spec/bundler/commands/update_spec.rb
+++ b/spec/bundler/commands/update_spec.rb
@@ -11,7 +11,7 @@ RSpec.describe "bundle update" do
     G
   end
 
-  describe "with no arguments", :bundler => "< 3" do
+  describe "with no arguments", :bundler => "< 2" do
     it "updates the entire bundle" do
       update_repo2 do
         build_gem "activesupport", "3.0"
@@ -34,7 +34,7 @@ RSpec.describe "bundle update" do
     end
   end
 
-  describe "with --all", :bundler => "3" do
+  describe "with --all", :bundler => "2" do
     it "updates the entire bundle" do
       update_repo2 do
         build_gem "activesupport", "3.0"
@@ -279,7 +279,7 @@ RSpec.describe "bundle update" do
   end
 
   describe "in a frozen bundle" do
-    it "should fail loudly", :bundler => "< 3" do
+    it "should fail loudly", :bundler => "< 2" do
       bundle! "install --deployment"
       bundle "update", :all => bundle_update_requires_all?
 
@@ -288,14 +288,14 @@ RSpec.describe "bundle update" do
       expect(out).to match(/freeze \nby running `bundle install --no-deployment`./m)
     end
 
-    it "should suggest different command when frozen is set globally", :bundler => "< 3" do
+    it "should suggest different command when frozen is set globally", :bundler => "< 2" do
       bundle! "config --global frozen 1"
       bundle "update", :all => bundle_update_requires_all?
       expect(out).to match(/You are trying to install in deployment mode after changing.your Gemfile/m).
         and match(/freeze \nby running `bundle config --delete frozen`./m)
     end
 
-    it "should suggest different command when frozen is set globally", :bundler => "3" do
+    it "should suggest different command when frozen is set globally", :bundler => "2" do
       bundle! "config --global deployment true"
       bundle "update", :all => bundle_update_requires_all?
       expect(out).to match(/You are trying to install in deployment mode after changing.your Gemfile/m).
@@ -304,7 +304,7 @@ RSpec.describe "bundle update" do
   end
 
   describe "with --source option" do
-    it "should not update gems not included in the source that happen to have the same name", :bundler => "< 3" do
+    it "should not update gems not included in the source that happen to have the same name", :bundler => "< 2" do
       install_gemfile! <<-G
         source "file://#{gem_repo2}"
         gem "activesupport"
@@ -315,7 +315,7 @@ RSpec.describe "bundle update" do
       expect(the_bundle).to include_gem "activesupport 3.0"
     end
 
-    it "should not update gems not included in the source that happen to have the same name", :bundler => "3" do
+    it "should not update gems not included in the source that happen to have the same name", :bundler => "2" do
       install_gemfile! <<-G
         source "file://#{gem_repo2}"
         gem "activesupport"
@@ -358,7 +358,7 @@ RSpec.describe "bundle update" do
       G
     end
 
-    it "should not update the child dependencies of a gem that has the same name as the source", :bundler => "< 3" do
+    it "should not update the child dependencies of a gem that has the same name as the source", :bundler => "< 2" do
       update_repo2 do
         build_gem "fred", "2.0"
         build_gem "harry", "2.0" do |s|
@@ -371,7 +371,7 @@ RSpec.describe "bundle update" do
       expect(the_bundle).to include_gems "fred 1.0"
     end
 
-    it "should not update the child dependencies of a gem that has the same name as the source", :bundler => "3" do
+    it "should not update the child dependencies of a gem that has the same name as the source", :bundler => "2" do
       update_repo2 do
         build_gem "fred", "2.0"
         build_gem "harry", "2.0" do |s|
@@ -403,7 +403,7 @@ RSpec.describe "bundle update" do
       G
     end
 
-    it "should not update the child dependencies of a gem that has the same name as the source", :bundler => "< 3" do
+    it "should not update the child dependencies of a gem that has the same name as the source", :bundler => "< 2" do
       update_repo2 do
         build_gem "george", "2.0"
         build_gem "harry", "2.0" do |s|
@@ -417,7 +417,7 @@ RSpec.describe "bundle update" do
       expect(the_bundle).to include_gems "george 1.0"
     end
 
-    it "should not update the child dependencies of a gem that has the same name as the source", :bundler => "3" do
+    it "should not update the child dependencies of a gem that has the same name as the source", :bundler => "2" do
       update_repo2 do
         build_gem "george", "2.0"
         build_gem "harry", "2.0" do |s|
@@ -561,14 +561,14 @@ RSpec.describe "bundle update when a gem depends on a newer version of bundler"
     G
   end
 
-  it "should explain that bundler conflicted", :bundler => "< 3" do
+  it "should explain that bundler conflicted", :bundler => "< 2" do
     bundle "update", :all => bundle_update_requires_all?
     expect(last_command.stdboth).not_to match(/in snapshot/i)
     expect(last_command.bundler_err).to match(/current Bundler version/i).
       and match(/perhaps you need to update bundler/i)
   end
 
-  it "should warn that the newer version of Bundler would conflict", :bundler => "3" do
+  it "should warn that the newer version of Bundler would conflict", :bundler => "2" do
     bundle! "update", :all => true
     expect(last_command.bundler_err).to include("rails (3.0.1) has dependency bundler").
       and include("so the dependency is being ignored")
@@ -577,7 +577,7 @@ RSpec.describe "bundle update when a gem depends on a newer version of bundler"
 end
 
 RSpec.describe "bundle update" do
-  it "shows the previous version of the gem when updated from rubygems source", :bundler => "< 3" do
+  it "shows the previous version of the gem when updated from rubygems source", :bundler => "< 2" do
     build_repo2
 
     install_gemfile <<-G
diff --git a/spec/bundler/commands/version_spec.rb b/spec/bundler/commands/version_spec.rb
index 66c7930397..b919c25e0f 100644
--- a/spec/bundler/commands/version_spec.rb
+++ b/spec/bundler/commands/version_spec.rb
@@ -2,36 +2,36 @@
 
 RSpec.describe "bundle version" do
   context "with -v" do
-    it "outputs the version", :bundler => "< 3" do
+    it "outputs the version", :bundler => "< 2" do
       bundle! "-v"
       expect(out).to eq("Bundler version #{Bundler::VERSION}")
     end
 
-    it "outputs the version", :bundler => "3" do
+    it "outputs the version", :bundler => "2" do
       bundle! "-v"
       expect(out).to eq(Bundler::VERSION)
     end
   end
 
   context "with --version" do
-    it "outputs the version", :bundler => "< 3" do
+    it "outputs the version", :bundler => "< 2" do
       bundle! "--version"
       expect(out).to eq("Bundler version #{Bundler::VERSION}")
     end
 
-    it "outputs the version", :bundler => "3" do
+    it "outputs the version", :bundler => "2" do
       bundle! "--version"
       expect(out).to eq(Bundler::VERSION)
     end
   end
 
   context "with version" do
-    it "outputs the version with build metadata", :bundler => "< 3" do
+    it "outputs the version with build metadata", :bundler => "< 2" do
       bundle! "version"
       expect(out).to match(/\ABundler version #{Regexp.escape(Bundler::VERSION)} \(\d{4}-\d{2}-\d{2} commit [a-fA-F0-9]{7,}\)\z/)
     end
 
-    it "outputs the version with build metadata", :bundler => "3" do
+    it "outputs the version with build metadata", :bundler => "2" do
       bundle! "version"
       expect(out).to match(/\A#{Regexp.escape(Bundler::VERSION)} \(\d{4}-\d{2}-\d{2} commit [a-fA-F0-9]{7,}\)\z/)
     end
diff --git a/spec/bundler/commands/viz_spec.rb b/spec/bundler/commands/viz_spec.rb
index 61414956a9..3804d3561c 100644
--- a/spec/bundler/commands/viz_spec.rb
+++ b/spec/bundler/commands/viz_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-RSpec.describe "bundle viz", :ruby => "1.9.3", :bundler => "< 3", :if => Bundler.which("dot") do
+RSpec.describe "bundle viz", :ruby => "1.9.3", :bundler => "< 2", :if => Bundler.which("dot") do
   let(:ruby_graphviz) do
     graphviz_glob = base_system_gems.join("cache/ruby-graphviz*")
     Pathname.glob(graphviz_glob).first